Water heater



JfinelG, 1931. J, H. MACKLEY WATER HEATER Filed Sept-. 13. 1928 INVENTOR. James M. Mac/94y l 1 l I I I H 'HH I H ATTORNEY.

Patented June 16 1931 JAMES H. MACKLEY, 0F DENVER, COLORADO WATER HEATER Application filed September 13, 1928. Serial No. 395,666.

This invention relates to improvements in water heaters and pertains particularly to an improved portable water heater.

One of the objects of the present inven I! tion is to provide, in a manner as hereinafter set forth, an improved means for heating the contents of a water heater by passing heated gases through the same, the passage through which the gases are passed being so constructed as to cause the same to pass relatively slowly.

Another object of the invention is to provide an improved type of portable water heater which may be heated by a gas burner, electric coil, or placed directly upon a stove, provision being made whereby in the event that the heating of the contents of the tank is by a stove or any other source of fuel,.a heat' trapping chamber may be formed at the head of the tank.

The invention will be best understood from a consideration of the following detailed description taken in connection with the accompanying drawings forming part of this specification, with the understanding, however, that the invention is not confined to any strict conformity with the showing of the drawings but may be changed or modified so long as such changes or modifications mark no material departure from the salient features of the invention as expressed in the appended claim.

In the drawings V Figure 1 illustrates the heater embodying the present invention, the same being shown in side elevation;

Figure 2 is a vertical central section through the heater structure;

Figure 3 is a section taken transversely of the structure on the line 33 of Figure 1;

Figure 4 is a section taken transversely of the structure on the line 44 of Figure 2.

Referring to the drawings in detail, the numeral 1 indicates the casing or body of the heater, the same having secured in the ends thereof the upper and lower concave heads 2. The upper end of the heater structure is covered by a dome-shaped top 3, the peripheral edge of which is turned downwardly as indicated at 3 to provide a flange which overlaps the upper end of the body or boiler 1 in the manner shown, thus csetting up between the upper head 2 and the top 3 a heat chamber 4. The central portion of the. cover 3 is provided with a threaded flanged opening 5 for connection therewith of a gas outlet pipe.

About its lower portion the tank or casing 1 has secured the depending annular flange 6 which serves as a supporting base for the tank and also provides a casing for a burner such as that indicated at 7. V

Within the casing is positioned a coiled pipe 8 the upper and lower ends of which open through the heads 2 of the structure, the heating element 7 being located directly beneath the open lower end of this coil in the manner shown. The pitch of the heat coil is relatively fiat so that the passage of the heating gases therethrough will be retarded to a certain extent.

Opening through the wall of the casing 1 adjacent the lower portion thereof is an inlet pipe 9 in which is placed a T-coupling 10 which carries an inlet nipple 11, to which an inlet connection may be made. Interposed between the coupling 10 and the point where the pipe enters the casing 1 is a valve 12 by means of which passage of water through the pipe to the tank be cut off. The pipe 9. extends a short distance circumferentially'of the tank and at its other end opens into the lower end of a vertical pipe 13, the lower end of which vertical pipe opens downwardly as indicated at 14 and is exteriorly threaded for connection there-v with of a suitable pipe line when such is desired. As is shown in Figure 3, the inlet coupling 10 is directly midway between the ends of the pipe 9 and interposed in the pipe between the coupling 10 andthe pointwhere it joins the upright pipe 13 is a valve 15 by means of which water is prevented from flowing, from the coupling or nipple 10 and 11 to the pipe 13.

The upright pipe 13 is connected at its upper end to LT-coupling 16, one arm of which is connected by the nipplel'? to the tank 1 at the upper part thereof opening thereinto. The. pipe 13 has interposed care of any excess therein between the coupling 16 and its point of connection with the pipeline 9 a Valve 18 and connected to the pipe line 13 above the coupling 16 is a similar valve 19 from which there projects upwardly the threaded nipple 20 to which a draw-off pipe may be attached.

From the description thus far given it will be readily seen that water may be readily introduced into the tank through the nipple 11 ann drawn off through the nipple 20 or if desired, the valve 19 may be closed and the water may be drawn off through the nipple 14 if this is found more' convenient.

In order to facilitate ready transportation of the heater unit, there is pivotally attached at the diametrically opposite points 21 to the wall of the casing or boiler 1 the square bail 22. To one side of the boiler, there is attached adjacent the top thereof a wall hook 23 and directly beneath the wall hook adjacent the bottom of the boiler a bracket 24 having the laterally directed arms 25, the outer faces of which are in alinement with the outer face of the hook 23. The hook is provided to facilitate attaching the boiler to a suitable supporting wall bracket, the lower bracket 24 acting to hold the boiler away from the wall or in other Words, to maintain it in the proper upright position. e

As is shown in Figure 3, the square bail 22 is so formed that when it is swung over to one side of the boiler, the outer face of the cross portion thereof will be in the same vertical plane as the outer face of the bracket 24 and the hook 23. The bail may thus be employed'to further position and steady the boiler when the same is supported against the wall by the bracket 23.

Formed in the upper head 2 is a suitable blow-off or safety valve 26 designed to take pressure which may develop in the boiler.

In order to assist the heating unit placed beneath the lower head 2 in the chamber formed by the annular base 6, ther'e is mounted to extend inwardly from the wall of the casing, a closed tube 27in which an electrical heating unit may be housed as indicated at 28, suitable means bgll lg employed exteriorly of the boiler as indicated at 9 for connecting the electric cord 30 thereto. In this way if means is not available for heating the contents of the boiler by the burner 7, the cord 30 may be attached'to an ordinary house lighting circuit and the boiler heated by the unit 28.

.From the foregoing description,- it will'be readily seen that with a water heater of the character hereinrdescribed, water may be quickly heated by passing the heat upwardly from the burner through the coil pipe 8, the

gases produced by the heater being passed 7 0E through the opening 5 to a suitable carcamping outfit or in localities where running water cannot be had, the tank maybe charged by pouring water into the nipple 20,

allowing the water to pass into the tank through the coupling 16 and nipple 17 The tank may also be used as a supply tank for drinking purposes, the Water being drawn off through thepipe 9 and nipple 11 or through the nipple 14 as desired. It will be readily seen that the present heater structure may be readily and easily transported by carrying the same by the bail 22 and this bail may also be used for suspending'or hanging. the tank'when such disposition of the tank is desired.

' Having thus described my invention, what I claim is:

A water heater comprising a tank body having a head in the upper and lower end thereof, a coiled pipe extending through the body and opening through the upper and lower heads and constituting a heat flue, a'heating element disposed beneath the lower head, an arcuate water pipe extending circumferentially about a-portion of the tank adjacent the bottom thereofand openin'g'at one 'end through the tank wall, an inlet coupling intermediate the ends of said arcuate pipe, a valve element disposed in the arcuate pipe on each side of the inlet coupling, a pipe extending. longitudinally of the tank body and having communication adjacent its lower end with the other end of the arcuate pipe and having communication adjacent its other end with the interior of the'tank adjacent the top thereof, said'longitudinally extending pipe being open at its ends, a control valve in the longitudinally extending pipe between the arcuate pipe and the connection of the longitudinal pipewith the top of the tank, and a second control valve in the longitudinal pipe above the upper connection thereof with the tank body.

In testimony signature. 7 p j J AMES H. MACKLEY.

whereofI hereunto afiix my 7 i 

